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Sticker of Brassica bug
Bug card No. 0176 of 1,500

Brassica bug

Eurydema oleracea
Name means: “Its scientific name oleracea is Latin and means something like belonging to vegetables.”
Eats: PlantsTrue bugs and cicadasGardens and meadows6 legs

The brassica bug is a small, flat shield bug that is shiny dark with bright spots and a stripe. The spots can be yellow, white, red or orange. It lives on cabbage plants and their wild cousins.

Lives in
Europe, North Africa and large parts of Asia, in fields and gardens
Length
5 to 7 mm (0.2 to 0.28 in)
Top speed
about 0.15 km/h (0.09 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people. Gardeners do not love it, because it nibbles their cabbages.
What does it eat?
It sucks juice from cabbage plants, radish, turnip and rape, mostly from the flowers. The babies eat the same plants.
For real!Photo of Brassica bug
Picture by Hectonichus. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Brassica bug about 7 mm long (0.28 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailcould run across a dinner table in 24 seconds

How big is Brassica bug compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its spots change colour as it grows up. Young adults have yellow spots, which later turn white or red.

2

The mother lays her eggs in neat little groups of about twelve, in two tidy rows like a box of sweets.

3

The babies change their skin five times before they are grown up.

4

In winter, the grown-ups sleep in fallen leaves at the edge of woods or in bushes.

you asked

Most asked questions about Brassica bug

?Is the brassica bug harmful?

Not to people. It can damage cabbage, radish and turnip plants in gardens and fields.

?What does the brassica bug eat?

It sucks juice from cabbage plants and their relatives, mostly from the flowers.

?How big is the brassica bug?

It is about half a centimetre long, a little smaller than your fingernail.

For bug experts

Scientific name
Eurydema oleracea
Group
True bugs and cicadas
Family
Pentatomidae
Classification
Insecta > Hemiptera > Pentatomidae
Lives on
Europe, Asia, Africa
Also known as
Rape bug, Crucifer shield bug, Cabbage bug

Where the facts come from

  1. Eurydema oleracea (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by Hectonichus. CC BY-SA 3.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

More from the same group: True bugs and cicadas

Also at home here: Gardens and meadows